BMW 525i Air Filter

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED, SOLD INDIVIDUALLY -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 1 in. height, 9.25 in. outside length, 6.875 in. outside width; Oiled element; Panel style; Made of multiple interwoven layers of surgical cotton gauze; Increases horsepower and acceleration while providing excellent filtration; Custom designed to fit into existing air box and features a drop-in design which means adding performance is simple; Provides high air flow with excellent filtration; Economical and environment friendly; Works with OEM vehicle electronics; Will last the life of your vehicle; Washable and reusable; Lasts up to 50,000-mile before cleaning is required depending on drive condition; With K&N's limited million mile warranty.

Fits the following 2001-2003 BMW 525i submodels:

• 2001-2003: Base; 6 Cyl 2.5L;

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 1.125 in. height, 11.375 in. outside length, 9.125 in. outside width; Oiled element; Unique style; Made of multiple interwoven layers of surgical cotton gauze; Increases horsepower and acceleration while providing excellent filtration; Custom designed to fit into existing air box and features a drop-in design which means adding performance is simple; Provides high air flow with excellent filtration; Economical and environment friendly; Works with OEM vehicle electronics; Will last the life of your vehicle; Washable and reusable; Lasts up to 50,000-mile before cleaning is required depending on drive condition; With K&N's limited million mile warranty.

Fits the following 2004-2007 BMW 525i submodels:

• 2004-2005: Base; 6 Cyl 2.5L;
• 2006-2007: Base; 6 Cyl 3.0L;

K&N HIGH FLOW DIRECT FIT AIR FILTER, RED -- 50-state legal; Provides 1 to 4 h.p. power gain; 96 to 99 percent filtration efficiency; 1.063 in. height, 10 in. outside length, 5.75 in. outside width; Oiled element; Panel style; Made of multiple interwoven layers of surgical cotton gauze; Increases horsepower and acceleration while providing excellent filtration; Custom designed to fit into existing air box and features a drop-in design which means adding performance is simple; Provides high air flow with excellent filtration; Economical and environment friendly; Works with OEM vehicle electronics; Will last the life of your vehicle; Washable and reusable; Lasts up to 50,000-mile before cleaning is required depending on drive condition; With K&N's limited million mile warranty.

Fits the following 1989-1991 BMW 525i submodels:

• 1989-1991: Base; 6 Cyl 2.5L;

K&N HIGH FLOW AIR FILTER, ROUND TAPERED STYLE -- Base OD 5.375, Filter Re-Oiling Amount 1.06 oz., Flange ID 4, Constructed With Ultra-Strong Molded Pliable Rubber Flanges Which Absorb Vibration, Can Be Stretched For Up To 1/16 To Fit In-Between Sizes, Washable And Reusable, Easy Installation, With Manufacturer's Limited Million Miles Warranty

Fits the following 2001-2002 BMW 525i submodels:

• 2001-2002: Base; 6 Cyl 2.5L;

K&N UNIVERSAL HIGH FLOW AIR FILTER, ROUND TAPERED -- OD 5.781, Flange Length 0.75, Flange ID 3.156, Filter Length 4.531", With 2 Breather Holes, A High Performance Washable And Reusable Filter That Lasts Longer, Made With Ultra-Strong Molded Pliable Rubber Flanges Which Absorbs Vibration, Allows Secure Attachment And Can Be Stretched Up To 1/16" To Fit In-Between Sizes, With Manufacturer's Limited Million Mile Warranty

Fits the following 1992-1995 BMW 525i submodels:

• 1992-1995: Base; 6 Cyl 2.5L;

K&N HIGH FLOW AIR FILTER, PANEL STYLE -- Height 1.063, Outside Length 12.75, Outside Width 5.75, A High Performance Air Filter Designed to Increase Horsepower and Acceleration, Offers High Air Flow With Excellent Filtration, Washable and Reusable, Fits Into The Existing Factory Air Box, With Manufacturer's Limited Million Mile Warranty

Fits the following 1992-1995 BMW 525i submodels:

• 1992-1995: Base; 6 Cyl 2.5L;

FRAM EXTRA LIFE AIR FILTER, YELLOW -- 2.22 in. height, 7 in. width, 9.59 in. length; Dry element; Flexible panel style; Made of high quality paper material; The first air filter to utilize two integral filtering elements; Protects the engine and provides more airflow for improved performance; Helps prevent damaging particles from entering the engine and causing increased engine wear; Lasts 50 percent longer and stops 50 percent more dirt than any other brand; With Fram's limited warranty.

Fits the following 2003-2004 BMW 525i submodels:

• 2003-2004: Base; 6 Cyl 2.5L; "GAS, FI, M54"

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 2.25" Height, 5.88" Width, 9.94" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, Lasts 50% Longer And Stops 50% More Dirt Than Any Other Brand, The First Air Filter To Utilize Two Integral Filtering Elements, With Fram's Limited Warranty

Fits the following 1989-1994 BMW 525i submodels:

• 1989-1990: Base; 6 Cyl 2.5L; "GAS, FI, M20"
• 1993-1994: Base; 6 Cyl 2.5L; "GAS, FI, M50"

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 2.22" Height, 7" Width, 9.59" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, Lasts 50% Longer And Stops 50% More Dirt Than Any Other Brand, The First Air Filter To Utilize Two Integral Filtering Elements, With Fram's Limited Warranty

Fits the following 2003-2004 BMW 525i submodels:

• 2003-2004: Base; 6 Cyl 2.5L; "GAS, FI, M54"

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 2.28" Height, 7" Width, 9.55" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, Lasts 50% Longer And Stops 50% More Dirt Than Any Other Brand, The First Air Filter To Utilize Two Integral Filtering Elements, With Fram's Limited Warranty

Fits the following 2001-2002 BMW 525i submodels:

• 2001-2002: Base; 6 Cyl 2.5L; "GAS, FI, M54"

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 2.28" Height, 7" Width, 9.55" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, Lasts 50% Longer And Stops 50% More Dirt Than Any Other Brand, The First Air Filter To Utilize Two Integral Filtering Elements, With Fram's Limited Warranty

Fits the following 2001-2002 BMW 525i submodels:

• 2001-2002: Base; 6 Cyl 2.5L; "GAS, FI, M54"

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 2.25" Height, 5.88" Width, 12.94" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, Lasts 50% Longer And Stops 50% More Dirt Than Any Other Brand, The First Air Filter To Utilize Two Integral Filtering Elements, With Fram's Limited Warranty

Fits the following 1991-1995 BMW 525i submodels:

• 1991-1995: Base; 6 Cyl 2.5L; "GAS, FI, M50"

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 2.25" Height, 5.88" Width, 12.94" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, Lasts 50% Longer And Stops 50% More Dirt Than Any Other Brand, The First Air Filter To Utilize Two Integral Filtering Elements, With Fram's Limited Warranty

Fits the following 1991-1995 BMW 525i submodels:

• 1991-1995: Base; 6 Cyl 2.5L; "GAS, FI, M50"

FRAM EXTRA LIFE AIR FILTER, FLEXIBLE PANEL -- 2.25" Height, 5.88" Width, 9.94" Length, Protects The Engine And Provides More Airflow For Improved Performance, Helps Prevent Damaging Particles From Entering The Engine And Causing Increased Engine Wear, Lasts 50% Longer And Stops 50% More Dirt Than Any Other Brand, The First Air Filter To Utilize Two Integral Filtering Elements, With Fram's Limited Warranty

Fits the following 1989-1994 BMW 525i submodels:

• 1989-1990: Base; 6 Cyl 2.5L; "GAS, FI, M20"
• 1993-1994: Base; 6 Cyl 2.5L; "GAS, FI, M50"

HASTINGS PREMIUM AIR FILTER -- 9-1/2" X 7" X 2-7/32", An OEM Direct Fit Replacement Panel Air Filter Element

Fits the following 1994-2004 BMW 525i submodels:

• 1994-1994: Base; 6 Cyl 2.5L; "GAS, FI, M50"
• 2001-2004: Base; 6 Cyl 2.5L; "GAS, FI, M54"